Welcome to your 2365 203 Electrical Installations Technology
1.
In which of the following parts of the electrical distribution network would a step-down transformer be located?
2.
The symbol shown represents?
3.
When might a variation order be issued by an architect to a contractor?
4.
Which one of the following is an exposed conductive part?
5.
What are the 3 most common methods of earthing in the UK?
6.
Which one of the following is the purpose of the main protective bonding conductor?
7.
Which of the following earthing systems has the path for earth leakage currents via the ground itself?
8.
Area Distribution Boards in large factories and commercial premises should normally be positioned
9.
Earthing aims to PRIMARILY protect which of these from the danger of electric shock?
10.
One of the main aims of the Health and Safety at Work Act 1974 is to secure the health, safety and welfare of people where?
11.
The majority of electrical power distributed within the UK is transmitted by which of the following?
12.
It is beneficial to use transformers to produce high voltages for energy transmission in order to?
13.
Who is responsible for supplying the consumers earth in a TT installation?
14.
What is represented by Zs in the following formula: Zs = Ze+(R1+R2)?
15.
Which is the IP code for an accessible top surface of an enclosure?
16.
In order to complete a requisition list of materials the MOST appropriate drawing would be a?
17.
230V is represented by which of the following colour outlets
18.
The IET Wiring Regulations in relation to cable selection give tables on
19.
Which one of the following describes Basic Protection?
20.
Additional cable supports should be provided in trunking where:
21.
What is this picture commonly known as?
22.
Which of these systems has the neutral and earth in one conductor?
23.
By law electricity nominal supply voltages must be kept within?
24.
Which one of the following earthing arrangements is shown in the diagram?
25.
Which one of the following is a typical distribution voltage for a medium-sized factory where a private sub station is located?
26.
Under the EAWR 1989, before work may commence, it must be shown that a person is what?
27.
Which one of the following is the minimum conduit size suitable for a short straight run containing the following stranded cables: 4 x 1.5mm2 and 3 x 2.5mm2 ?
28.
What does the letters COSHH stand for?
29.
Which of these is a re-wireable fuse:
30.
Which one of the following earthing arrangements is shown in the diagram?
31.
Which one of the following is the type of conduit fixing shown?
32.
What symbol to BSEN 60617 is shown here?
33.
Underground distribution systems within an industrial estate will most likely use?
34.
What is the Ze for a TN-C-S system?
35.
Which one of the following is the conduit capacity factor to be used where a 25mm conduit has 2 bends in a 6m run?
36.
If the earth resistance value of the whole system is greater than 10? how should a permanent reduction be achieved?
37.
The minimum bending radii of Mineral Insulated (MICC) cable is how many times the cable diameter for: rework (and non-rework)
38.
The use of excessive adhesive when joining pvc conduit could cause
39.
What is the term used, where we connect all the extraneous metalwork not connected to the electrical system to earth?
40.
Which type of cable cannot be connected to an earth electrode?
How to see what questions I have got wrong